Wid document can not be generated due to unknown reason

Hello everyone,

I have seen some discussions about this subject but I couldn't find a solution.

I opened conversion tool BO XI 4.1 and converted a deski document (BO XI 3) to a webi document (BO XI 4.1) but it said : "Wid document can not be generated due to unknown reason".

I have no idea where to look at.

Both servers are working well.

Thank you for your help,

Audrey