E2915 Cmd Rej: MTPT10ALT cannot be less than level-3 timer T10
The value specified for the mtp10alt parameter must be equal to or greater than the value specified for the Level3-T10 timer (see the chg-l3t command).
Recovery
Display the Level3-T10 timer value. Enter the rtrv-l3t command.
Re-enter the chg-stpopts command that generated this error message, specifying a valid combination of parameters. Refer to the command description in Commands User's Guide for assistance.