Since the upgrade to 7.12, some errors appears on my Bpmonline Version

Hello community,

Since i have upgraded my BPM Online solution from 7.11.3 to 7.12, i obtains some errors for example, when clicking on "Export to Excel link", this Javascript error appears:



 

TypeError: this.mixins.GridUtilities.getDownloadFileName is undefined[En savoir plus] BaseSectionV2.js:6037:13

user: Supervisor/7f3b869f-34f3-4f20-ab4d-7480a5fdf647 file: http://localhost:8080/0/conf/content/BaseSectionV2.js?hash=2f62039f94104986b639f27fcc4570d6 line: 6037 column: 13 message: TypeError: this.mixins.GridUtilities.getDownloadFileName is undefined date: Mon Apr 09 2018 08:53:24 GMT+0200 stack: exportToExcel/<@http://localhost:8080/0/conf/content/BaseSectionV2.js?hash=2f62039f9410… checkCanExecuteOperation/<@http://localhost:8080/0/conf/content/RightUtilities.js?hash=2f62039f941… saveResultFunction@http://localhost:8080/0/conf/content/StorageUtilities.js?hash=2f62039f9… callRightServiceMethod/<@http://localhost:8080/0/conf/content/RightUtilities.js?hash=2f62039f941… callback@http://localhost:8080/0/conf/content/RightUtilities.js?hash=2f62039f941… request/a.callback@http://localhost:8080/core/1abd845f8439aa6e7454e7530c2ea837/combined/al… callback@http://localhost:8080/core/1abd845f8439aa6e7454e7530c2ea837/combined/al… onComplete@http://localhost:8080/core/1abd845f8439aa6e7454e7530c2ea837/combined/al… onStateChange@http://localhost:8080/core/1abd845f8439aa6e7454e7530c2ea837/combined/al… bind/<@http://localhost:8080/core/1abd845f8439aa6e7454e7530c2ea837/combined/al…

Have you a explaination and a fix?

Davyd