MSPM0C1104: When debugging my project CCS appear File is not found window and report message: "Source file '..\..\..\..\..\llvm-project\compiler-rt\lib\builtins\arm\muldsi3.S' was not found." in the editor view. What does it mean?

Tool/software:

Anyone can answer belowing two question?Thanks.

1. When debugging my project CCS appear File is not found window and report message: "Source file '..\..\..\..\..\llvm-project\compiler-rt\lib\builtins\arm\muldsi3.S' was not found." in the editor view. What does it mean?

2. When debugging my project CCS always appear the message "NONMAIN CRC validation is not supported for MSPM0C1103/MSPM0C1104/MSPS003Fx. Exercise caution when erasing/programming NON-MAIN." report in Debug output window. Can I ignore it ? If not,how to fix it.

The version of CCS I used is 20.0.0.12__1.6.0.