NOTES: This is applicable to older installations of V26 only You do NOT need to un-install anything to resolve this issue
After running a new installation of Bentley Hevacomp V26, a Run time error 380 occurs within the MAT program while trying to manipulate constructions
Bentley Systems have identified an issue within the Design Database/MAT program - while trying to add or modify a MAT construction, an Error 380 will occur when attempting to add fabric to a construction. This is due to a number of files being placed into a folder where MAT cannot access them..
For instructions on resolving this issue, please view this document. While this is for a different error message, the resolution is the same.