Step 1 : Close all Pastel Programs.
Step 2 : Go to the Company folder.
Step 3 : Make a Backup of the Company folder.
Step 4 : Look for any files that start with ACCBT as part of the file name
Step 5 : Cut the files from the company folder by right clicking on them and selecting Cut.
Step 6 : Paste the files in a new folder on your desktop by right clicking in the new folder and selecting Paste. When you open the company in Pastel, the error should no longer come up.
Step 7 (Not Necessary): Can add the files you cut back to the company folder one for one and see which one is creating the problem.