TMinuit error with ROOT 6.11/01

I am currently using ROOT 6.11/01 on macOS Sierra version 10.12.6.
I see an issue with the TMinuit in the current root version.

The part of code used as:

Char_t Tag[2][255];
Double_t var[2], verr[2];
Int_t ivarbl;
Double_t bnd1, bnd2;

for (i=0; i<2; i++) {
gMinuit->mnpout( i, Tag[i], var[i], verr[i], bnd1, bnd2, ivarbl);
}

gives an error:
error: non-const lvalue reference to type ‘TString’ cannot bind to a value of unrelated type 'Char_t [255]'
gMinuit->mnpout( i, Tag[i], var[i], verr[i], bnd1, bnd2, ivarbl);
^~~~~~
root/build/include/TMinuit.h:243:48: note: passing argument to parameter ‘chnam’ here
virtual void mnpout(Int_t iuext, TString &chnam, Double_t &val, Double_t &err, Double_…
//==========================================================

How can I solve this error?

Best Regards
Sudeep

must be

TString Tag[2];

:grin: Thanks a lot. It worked.