Please help :variable name ECT is in the list of predictors error while mg test panel ardl

[Prabha Neupane]

I get this error every time i run mg test and there are no variable name ECT also. Please help.

. xtpmg d.int_rate_loan ib_bank , lr(l.int_rate_loan ib_bank ) ec(ECT) replace mg
invalid new variable name;
variable name ECT is in the list of predictors
r(110);