When saving or importing a MTA (Menta) file in SmartStruxure Workstation, and error is shown indicating that there are more than one occurrance of one or more file types in the MTA file.
A MTA file contains various files that together forms the complete program. In some cases (e.g. when using a . in the MTA file name) various occurrences of the same file types will be placed in the MTA file.
1: Open the MTA file in with the Menta editor
2: Mark everything and export as an AUT file
3: Create a new MTA file
4: Insert the AUT file created in step 2
5: Save the MTA file only using standard characters
6: Import the the MTA file