Unable to convert to grib file with GDAL: Unsupported or missing spatial reference system

[Guru-Sharan]

the error log is
"QGIS version: 3.36.2-Maidenhead
QGIS code revision: 6d250527
Qt version: 5.15.13
Python version: 3.12.3
GDAL version: 3.8.5
GEOS version: 3.12.1-CAPI-1.18.1
PROJ version: Rel. 9.4.0, March 1st, 2024
PDAL version: 2.6.3 (git-version: 816ce1)
Algorithm started at: 2024-05-08T13:04:14
Algorithm 'PCRaster LDD to GRIB' starting…
Input parameters:
{ 'CRAYFISH_INPUT_RASTER' : 'E:/final/LDD PC.map', 'CRAYFISH_OUTPUT_GRIB' : 'TEMPORARY_OUTPUT' }

Unable to convert to grib file with GDAL: Unsupported or missing spatial reference system
Execution failed after 98.23 seconds (1 minute 38 seconds)

Loading resulting layers
Algorithm 'PCRaster LDD to GRIB' finished"