New: Unknown internal error doing a POST to /api/rockons/update

[Please complete the below template with details of the problem reported on your Web-UI. Be as detailed as possible. Community members, including developers, shall try and help. Thanks for your time in reporting this issue! We recommend purchasing commercial support for expedited support directly from the developers.]

Brief description of the problem

[The Update button in Rock-Ons generate an error and doesn’t display the list of available plugins.
I have checked some other posts with the same error and checked that the server can access the internet, DNS is OK, I can update the system.].

Detailed step by step instructions to reproduce the problem

[Rock-on service activated → go to All tab → press “Update” which results in the above error message after a while.

Web-UI screenshot


rag and drop the image here]

Error Traceback provided on the Web-UI

[paste here]

@slazar welcome to the Rockstor community!

Could you share which version of Rockstor you are running? Is the latest stable 4.x or one of the Release candidates from the testing channel (5.x)?