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Message 0138 (↑ Syntax Messages)
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Message: 0138
Text: 'EXCLUSIVE', 'AUTOMATIC' or 'MANUAL' missing
Explanation: The LOCK MODE clause within the FILE-CONTROL
paragraph of the Environment Division does not contain
one of the words EXCLUSIVE, AUTOMATIC, or MANUAL, or
if it does, your COBOL system has failed to recognize
the word, perhaps owing to a spelling mistake. The
LOCK MODE clause controls access to files shared
between a number of users in a multi-user
environment. Its form is determined by the file-type
with which it is used.
Resolution: Further details on the use of the LOCK MODE clause can
be found in your Language Reference.
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