Oracle DB Error ORA-09874 TASDEF_READ: read error, unable to read tasdef@.dbf file.

The following is the cause of this error:

Read system call returned an error when attempting to read ?/dbs/tasdef@.dbf.

Action you can take to resolve this issue: Check errno returned. SGADEF file may be corrupted or incompatible with Oracle version.

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Oracle DB Error ORA-09874 TASDEF_READ: read error, unable to read tasdef@.dbf file.

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