Spatial reference system %1 can not be modified because it is in use

Error constant SQLE_SLERR_DDL_SRS_INUSE
ODBC 2 state ERROR
ODBC 3 state ERROR
Parameter 1 The coordinate system name
Severity 16
SQLCODE -1471
SQLSTATE 2FW64
Sybase error code 13101
 Probable cause