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Cause
One of the following:
- An attempt was made to perform an operation on incompatible datatypes.
For example, adding a character field to a date field (dates may only be
added to numeric fields) or concatenating a character field with a long field.
- An attempt was made to perform an operation on a database object (such as
a table or view) that is not intended for normal use. For example, system
tables cannot be modified by a user. Note that on rare occasions this error
occurs because a misspelled object name matched a restricted object's name.
- An attempt was made to use an undocumented view.
Action
If the cause is
- different datatypes, then use consistent datatypes. For example, convert the
character field to a numeric field with the TO_NUMBER function before
adding it to the date field. Functions may not be used with long fields.
- an object not intended for normal use, then do not access the restricted object.
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