Micro Focus Visual COBOL 2.3 Update 2 for Visual Studio 2015
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General Reference
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Error Messages
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Syntax Checking Error Messages
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COBCH0201 - COBCH0300
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COBCH0241 - COBCH0260
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COBCH0257 KEY data-name missing or already declared
COBCH0257 KEY data-name missing or already declared
You have either not declared a data item specified in the KEY phrase of an OCCURS clause, or you have declared it twice.
Resolution:
Declare the data item or remove the extra declaration.
Parent topic:
COBCH0241 - COBCH0260
