Shader Pack Failedto load

moving_block.fsh: moving_block.fsh: 0(702) : error C7537: OpenGL does not allow 'sample' after a type specifier
0(702) : error C0000: syntax error, unexpected '=', expecting ';' or '(' at token "="
0(703) : error C0000: syntax error, unexpected '*', expecting "::" at token "*"

moving_block.fsh: moving_block.fsh: 0(702) : error C7537: OpenGL does not allow 'sample' after a type specifier
0(702) : error C0000: syntax error, unexpected '=', expecting ';' or '(' at token "="
0(703) : error C0000: syntax error, unexpected '*', expecting "::" at token "*"