On this page, you will find more information about the most common causes and most relevant solutions for the Oracle's PeopleSoft error '257'. Do you need help straight away? Visit our support page.
The Oracle Corporation documentation indicates that error code '257' is caused by the following problem: "Implicit conversion from datatype 'VARCHAR' to 'TINYINT' is not allowed. Use the CONVERT function to run this query.".
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A string field is stored in a column of numeric type. Sybase disallows querying against these fields.
Do you still have problems with this error? Try one of the quick fixes below or leave a comment.