Chris775 wrote on Jun 1^st, 2021 at 11:40pm:

it started giving errors

The reason is your path is longer than 260 symbols.
262 to be exact:
B:\WpSystem\S-1-5-21-2268364563-185100513-2695648218-1001\
AppData\Local\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalCache\Packages\Community\captainsim-aircraft-m772\SimObjects\Airplanes\CS_B777-200ER_GE90B\TEXTURE\BUMP\CS777_FUSSTAB_03_N.PNG.DDS.json

Solutions:
A. This
B. Or make your path shorter.