View Compilation Error

0_0_39552563_29352.cpp: In function 'Main::Data Main::trs(Data&, int)':
0_0_39552563_29352.cpp:140:9: error: 'inline' specifier invalid for variable 'cp' declared at block scope
  140 |         inline auto cp = [&](register int k, register int x, register int y, register int k1, register int x1, register int y1, register int tp = 0) {
      |         ^~~~~~