ORA-00932: inconsistent datatypes: expected BLOB, CLOB got CHAR

Error Description:

I noticed the below error during export schema using exp utility:

EXP-00056: ORACLE error 932 encountered
ORA-00932: inconsistent datatypes: expected BLOB, CLOB got CHAR
EXP-00000: Export terminated unsuccessfully

Solution I tried:

Step 1: Log in as SYSDBA
Step 2: Execute $ORACLE_HOME/rdbms/admin/catmetx.sql
Step 3: Execute $ORACLE_HOME/rdbms/admin/utlrp.sql