Bitbucket Upgrade from 7.6.8 to version 7.6.12 -hook issue on pull req merge

[vignes varan]

hook is configured to trigger a jenkins job which was working for the long time suddenly stopped working with pop up titled as "an error occurred" saying "Hook is not configured" on opening any open pull request.

direct commits to the repo triggers jenkins job.

but changes via pull request when merged is not notifying jenkins which was working earlier 

we thought this version is causing such issue.

kindly give us a feedback

[George Eckman]

Not an answer but we are also seeing this problem.  How do we go about debugging it or cleaning it up?

[vignes varan]

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[abhishek v kadival]

we are also affected with this issue , any workarounds .