Error:  An open operation on table "mep_upgradeLog_Temp'" failed because the path doesn't exist

This temp table might be a ctree temp table which is stored in the local machine's temporary folder. https://www.gpug.com/discussion/an-open-operation-on-

When one or more  users processes EFT's they receive the error "an open operation on table  mep_upgradeLog_Temp failed because the path doesn't exist. There could be a problem with the temp folder or the %temp% environment variable. This could also be related to antivirus. Please exclude the following extensions: .dat, .idx, .tmp, .in