Comments cannot be created due to the text being too long.
By default, JIRA enforces a character limit for fields such as comments and descriptions. This value can be configured from the Advance Settings under General Configuration.
There're 2 possible solutions:
Change the comment size limit of your JIRA. You can do that through the General Configuration -> Advance Settings -> change
If you set it to 0 then the size will be unlimited.
This solution works only for Jira Server.
You cannot change the jira.text.field.character.limit on Jira Cloud.
Trim the comment size to a certain limit, you can do that by changing:
The snippet above helps to sync the comment by limiting its size of the comment without information about the
Or adapt the code such that the length is limited to the maximum available number of characters.