Countermeasure	Note 1	Error Solution
ECP number cannot be cleared while in use. Stop the task and do one of the following. - Select an ECP (external control point) number other than the one you want to specify. - Check the ECP (external control point) number specified in the SPEL command. Targets are the commands corresponding to the function name and row number in the system history. See the reference manual for correction instructions.	The ECP number you attempted to clear	Stop task