Hi All,
currently I'm having an issue trying to Merge two Accounts. Basically, after I click on 'Merge' the browser takes near 30 seconds and I receive and error, the thing is that is a non specific error, here's an image: 
The first component detected to the error was a workflow related to cases, the problem was that this workflow was getting triggered by the change of Customer(Account) and it tries to update a field in the case. The main problem with this is that this also applies for closed cases that are in read only mode, and the workflow was not able to update it. We solve that, but the error still there and I don't know which other type of components should I check.
Any ideas?
Thanks in advance!