diff --git a/e2e/calculator.po.ts b/e2e/calculator.po.ts
index d24ffd1575d406ba513c854e15a7836e7a6b6d50..e94c27d19f31b79edbda1c4f62b61aaca39a9d98 100644
--- a/e2e/calculator.po.ts
+++ b/e2e/calculator.po.ts
@@ -96,6 +96,10 @@ export class CalculatorPage {
     );
   }
 
+  async hasLog() {
+    return (await element.all(by.css("log-entry")).count()) > 0;
+  }
+
   async clickSaveCalcButton() {
     return await element(by.css("#save-calc")).click();
   }
diff --git a/e2e/pab-regulee-variee.json b/e2e/pab-regulee-variee.json
new file mode 100644
index 0000000000000000000000000000000000000000..3dcc919c8bab1d28352a13ee09360c1ba1419356
--- /dev/null
+++ b/e2e/pab-regulee-variee.json
@@ -0,0 +1 @@
+{"header":{"source":"jalhyd","format_version":"1.0","created":"2019-07-08T08:00:03.373Z"},"session":[{"uid":"dXhia3","props":{"calcType":15},"meta":{"title":"PAB régulée varié"},"children":[{"uid":"NnB5bm","props":{"calcType":10,"nodeType":0},"children":[{"uid":"cGsweT","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":76.67},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":76.53999999999999},{"symbol":"ZRAM","mode":"SINGLE","value":76.65499999999999},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"amMxc2","props":{"calcType":10,"nodeType":0},"children":[{"uid":"MjRhNT","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":76.44},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":76.30999999999999},{"symbol":"ZRAM","mode":"SINGLE","value":76.42499999999998},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"anZwOT","props":{"calcType":10,"nodeType":0},"children":[{"uid":"MDNnaj","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":76.21000000000001},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":76.08},{"symbol":"ZRAM","mode":"SINGLE","value":76.195},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"cDRwMD","props":{"calcType":10,"nodeType":0},"children":[{"uid":"aHQ2NT","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":75.98},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":75.85},{"symbol":"ZRAM","mode":"SINGLE","value":75.96499999999999},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"NnppdW","props":{"calcType":10,"nodeType":0},"children":[{"uid":"anYzZj","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":75.75},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":75.61999999999999},{"symbol":"ZRAM","mode":"SINGLE","value":75.73499999999999},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"bGhzNn","props":{"calcType":10,"nodeType":0},"children":[{"uid":"MGM5bm","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":75.52},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":75.38999999999999},{"symbol":"ZRAM","mode":"SINGLE","value":75.50499999999998},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"eXY0aT","props":{"calcType":10,"nodeType":0},"children":[{"uid":"NXp6cz","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":75.29},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":75.16},{"symbol":"ZRAM","mode":"SINGLE","value":75.27499999999999},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"bnJuZ2","props":{"calcType":10,"nodeType":0},"children":[{"uid":"bDR2YX","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":75.06},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":74.92999999999999},{"symbol":"ZRAM","mode":"SINGLE","value":75.04499999999999},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"bmEzOG","props":{"calcType":10,"nodeType":0},"children":[{"uid":"Y2ZobT","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":74.83},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":74.69999999999999},{"symbol":"ZRAM","mode":"SINGLE","value":74.81499999999998},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"ODg5Yj","props":{"calcType":10,"nodeType":0},"children":[{"uid":"eGpueG","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":74.6},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":74.47},{"symbol":"ZRAM","mode":"SINGLE","value":74.58499999999998},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"Mzl6aD","props":{"calcType":10,"nodeType":0},"children":[{"uid":"dno5Mj","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":74.37},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":74.24},{"symbol":"ZRAM","mode":"SINGLE","value":74.35499999999999},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"NnEyY2","props":{"calcType":10,"nodeType":0},"children":[{"uid":"OGlrMG","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":74.14},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":74.00999999999999},{"symbol":"ZRAM","mode":"SINGLE","value":74.12499999999999},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"eGVvbz","props":{"calcType":10,"nodeType":0},"children":[{"uid":"d292cH","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":73.91},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":73.77999999999999},{"symbol":"ZRAM","mode":"SINGLE","value":73.89499999999998},{"symbol":"QA","mode":"SINGLE","value":0}]},{"uid":"Nzltdm","props":{"calcType":10,"nodeType":0},"children":[{"uid":"cm9zOT","props":{"calcType":7,"nodeType":5,"structureType":0,"loiDebit":11},"children":[],"parameters":[{"symbol":"ZDV","mode":"SINGLE","value":73.68},{"symbol":"L","mode":"SINGLE","value":0.35},{"symbol":"Cd","mode":"SINGLE","value":0.65}]}],"parameters":[{"symbol":"LB","mode":"SINGLE","value":3.1},{"symbol":"BB","mode":"SINGLE","value":2.5},{"symbol":"ZRMB","mode":"SINGLE","value":73.55},{"symbol":"ZRAM","mode":"SINGLE","value":73.66499999999999},{"symbol":"QA","mode":"SINGLE","value":0}]}],"parameters":[{"symbol":"Q","mode":"SINGLE","value":0.773},{"symbol":"Z1","mode":"CALCUL"},{"symbol":"Z2","mode":"MINMAX","min":74.5,"max":75,"step":0.1}],"downWall":{"uid":"Y21pOG","props":{"calcType":16},"children":[{"uid":"c216YW","props":{"calcType":7,"loiDebit":15},"children":[],"parameters":[{"symbol":"L","mode":"SINGLE","value":0.6},{"symbol":"Cd","mode":"SINGLE","value":0.4},{"symbol":"minZDV","mode":"SINGLE","value":73.8},{"symbol":"maxZDV","mode":"SINGLE","value":74.3},{"symbol":"DH","mode":"SINGLE","value":0.217}]}],"parameters":[]}}]}
\ No newline at end of file
diff --git a/e2e/pab.e2e-spec.ts b/e2e/pab.e2e-spec.ts
index 5377303ba29c58143d78c13548c3b97935da5d7c..6fd20d5c841f0807133e4ccd17c93c51c5d98a46 100644
--- a/e2e/pab.e2e-spec.ts
+++ b/e2e/pab.e2e-spec.ts
@@ -141,4 +141,32 @@ describe("ngHyd − Passe à Bassins", () => {
 
   });
 
+  describe("load regulated variated PAB with calc errors - ", async () => {
+
+    it("should display logs", async() => {
+      await startPage.navigateTo();
+      // load
+      await navbar.clickMenuButton();
+      await browser.sleep(200);
+      await sidenav.clickLoadSessionButton();
+      await browser.sleep(200);
+      await sidenav.loadSessionFile("./pab-regulee-variee.json");
+      await browser.sleep(500);
+      // check existence of the loaded module
+      expect(await navbar.getAllCalculatorTabs().count()).toBe(1);
+      await navbar.clickCalculatorTab(0);
+
+      // calculate
+      const calcButton = calcPage.getCalculateButton();
+      await calcButton.click();
+      // check that result is not empty
+      const hasResults = await calcPage.hasResults();
+      expect(hasResults).toBe(true);
+
+      // check presence of logs
+      expect(await calcPage.hasLog()).toBe(true);
+    });
+
+  });
+
 });
diff --git a/src/app/components/pab-results/pab-results.component.ts b/src/app/components/pab-results/pab-results.component.ts
index 3db8259a5bcf7c22240fed516ad0f642683b2cd7..975c769d97480f87442314367c058e0d2ac7fd94 100644
--- a/src/app/components/pab-results/pab-results.component.ts
+++ b/src/app/components/pab-results/pab-results.component.ts
@@ -95,7 +95,10 @@ export class PabResultsComponent implements DoCheck {
             if (result.hasGlobalLog) {
                 log.addLog(result.globalLog);
             } else {
-                log.addLog(result.log);
+                // add every ResultElement log
+                for (const re of result.resultElements) {
+                    log.addLog(re.log);
+                }
             }
         }
     }
@@ -121,6 +124,13 @@ export class PabResultsComponent implements DoCheck {
     private updateResults() {
         let pabUpdated: boolean;
         let graphUpdated: boolean;
+
+        // results or not, there might be a log
+        const logUpdated = this.logComponent !== undefined;
+        if (logUpdated) {
+            this.logComponent.log = this.mergedGlobalLogs;
+        }
+
         if (this.hasResults) {
             pabUpdated = this.pabResultsTableComponent !== undefined;
             if (pabUpdated) {
@@ -137,11 +147,6 @@ export class PabResultsComponent implements DoCheck {
             graphUpdated = true;
         }
 
-        const logUpdated = this.logComponent !== undefined;
-        if (logUpdated) {
-            this.logComponent.log = this.mergedGlobalLogs;
-        }
-
         return pabUpdated && logUpdated && graphUpdated;
     }
 
diff --git a/src/app/results/pab-results.ts b/src/app/results/pab-results.ts
index 93b980390b1b2ca9f99e858d4680363e16624dff..a14311da36c6a180d63dea51dda1dfcd1e10a354 100644
--- a/src/app/results/pab-results.ts
+++ b/src/app/results/pab-results.ts
@@ -44,6 +44,20 @@ export class PabResults extends CalculatedParamResults {
         ];
     }
 
+    public get hasLog(): boolean {
+        if (this.cloisonsResults) {
+            for (const cr of this.cloisonsResults) {
+                if (cr && cr.hasLog) {
+                    return true;
+                }
+            }
+        }
+        return (
+            (this.result && this.result.hasLog)
+            || (this.cloisonAvalResults && this.cloisonAvalResults.hasLog)
+        );
+    }
+
     /** headers symbols */
     public get columns() {
         return this._columns;