There are a number of existing system-defined attributes defined for the various object types. Do not use these when you define new attributes. These reserved attribute names are:
Item attributes: FORMAT, FILENAME, FILE_VERSION, ITEM_SPEC_UID, DIR_UID, LIB_FILENAME, LIB_CHECKSUM, LIB_FILE_LENGTH, CHECKSUM, FILE_LENGTH, EDITABLE, COMPRESSED, DIRPATH, USER_FILENAME, REVISED_DATE, SENDER_ID, SHARED_BRANCH, STAGE_ID, EXTERNAL, CREATE_DATE, ORIGINATOR, PHASE, LIFECYCLE
Design part attributes: PARTNO, LOCALNO, PHASE, ORIGINATOR
Request attributes: SENDER_ID, STAGE_ID, CHSEQ, CREATE_DATE, ORIGINATOR, NO_ACTIONS, SUPER_TYPE, PHASE, UPDATE_DATE, LIFECYCLE, DELEGATED_OWNER_SITE, REFERENCE_ONLY, OWNER_SITE, LOCKED
User attributes: PRIVILEGE, EMAIL, BASEDB, SITE, DEPT, PHONE, FULL_USERNAME, GROUP
Baseline attributes: SENDER_ID, STAGE_ID, BASELINE_METHOD, TEMPLATE, BASELINE_TYPE, CREATE_DATE, ORIGINATOR, PHASE