ADD_USER runtime errors

The possible ADD_USER error messages include:

• Login name is too long.
• Password is too short.
• Password is too long.
• User table is full. No room for new user.
• Cannot add user. The user name already exists.
• User information is open for read-only access. Write access is required for this operation.
• User name cannot be blank.
• User login ID cannot be blank.
• Boolean value not specified.
• User does not have correct privilege for action. ADMIN_PRIV required.