There are some possible solutions in this thread, they might be worth having a look at:
https://forum.mendix.com/link/space/studio-pro/questions/105019
this does’nt provide any proper solution for the issue..can you tell me what’s the exact solution
Try to add more information about this problem. Anything special in the flow doing the commit. Have you done any deletion shortly before the commit?
Add a screenshot of the flow to this question.