While "71" is not a standard documented error code for xclm.exe , users often encounter licensing or performance hurdles: Licenses - MPLAB® XC Compilers - Microchip Technology
For years, the biggest criticism of XC8 was its optimization capabilities (or lack thereof) in the free mode. However, in version 7.10, the compiler demonstrates robust efficiency. Xclm.exe Xc8 71
Error codes in Xclm.exe are not random. They are enumerated return values that tell the compiler and the user exactly what went wrong. Code is particularly notorious. While "71" is not a standard documented error code for xclm
If these steps don't resolve the issue, please provide more context or details about your problem, such as: They are enumerated return values that tell the
This means MPLAB X tried to invoke the XC8 compiler in PRO mode, but the license manager responded with an unrecoverable error.