Syntax error; check the subprogram.

Cause:

The subprogram has a syntax error.

Troubleshooting:

Load the subprogram directly and check whether a syntax error and the erroneous line number are reported.

Solution:

Modify the subprogram and correct the lines with syntax errors.

Case sharing:

The program0 program is as follows:
Progcall（program1）
The program1 program contains a syntax error
Loading program0 now reports error 3814.