Answer / guest

Cause: Mapping structures already locked by the same session.

Action: Unlock mapping structures before proceeding with
current operation.

Please add more information about this Error

TNS-00071: where <command> is one of following:

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ORA-01486: size of array element is too large

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TNS-12509: TNS:listener failed to redirect client to service handler

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ORA-16044: destination string attribute cannot be specified at session level

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ORA-12593: TNS:no registered connection

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UDI-00015: invalid context or job state for parameter, 'string'.

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NZE-28783: invalid parameter

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ORA-22130: buffer size [string] is less than the required size [string]

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ORA-01062: unable to allocate memory for define buffer

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TNS-01175: Password unchanged

1 Answers  

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ORA-14646: Specified alter table operation involving compression cannot be performed in the presence of usable bitmap indexes

1 Answers  

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ORA-30037: Cannot perform parallel DML after a prior DML on the object

1 Answers  

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