The following seems to be the relevant error in my case - the best I can do as I am not very sure about how to extract the debug information in windows.
Error: nextOcc is null Source File: file:///C:/Users/rn37/AppData/Roaming/Thunderbird/Profiles/pxbpaz7f.default/extensions/%7Be2fda1a4-762b-4020-b5ad-a41df1933103%7D/modules/calUtils.jsm -> file:///C:/Users/rn37/AppData/Roaming/Thunderbird/<email address hidden>/js/soapin.js Line: 369
The following seems to be the relevant error in my case - the best I can do as I am not very sure about how to extract the debug information in windows.
Error: nextOcc is null /C:/Users/ rn37/AppData/ Roaming/ Thunderbird/ Profiles/ pxbpaz7f. default/ extensions/ %7Be2fda1a4- 762b-4020- b5ad-a41df19331 03%7D/modules/ calUtils. jsm -> file:// /C:/Users/ rn37/AppData/ Roaming/ Thunderbird/ <email address hidden> /js/soapin. js
Source File: file://
Line: 369