Micro FocusĀ Visual COBOLĀ 2.3 Update 2 for Visual Studio 2015
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General Reference
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Error Messages
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Run-time System Error Messages
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COBRT201 - COBRT220
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COBRT218 Malformed MULTIPLE REEL/UNIT file (Fatal)
COBRT218 Malformed MULTIPLE REEL/UNIT file (Fatal)
Either your file header is not correctly formatted, or you are not using a MULTIPLE REEL/UNIT file.
Resolution:
You should try to run your program again using a backup copy of the relevant file.
Parent topic:
COBRT201 - COBRT220