Oracle Message OCI-04063 - string has errors

ERRORstring has errors
CAUSEAttempt to execute a stored procedure or use a view that has errors. For stored procedures, the problem could be syntax errors or references to other, non-existent procedures. For views, the problem could be a reference in the views defining query to a non-existent table.
ACTIONFix the errors and/or create referenced objects as necessary.