TwinCAT problem download

[vaibaras]

Hey,
when I declarate new local variable in function block FB1 in TwinCAT PLC control and try download this block to PLC receive message see in the picture. I find in MAIN(PRG) declaration FB1 : FB1. Maybe thiis it is reason?
I hope someone can help me.
And thanks for your time in advance.

 

[shooter]

yes please use other name inside your main program, so declaration should be FB01 :FB1;
and in the program change it too.