Seedlot Upload: improve error messages Check for undefined accession/cross before creating seedlot Check and return seedlot store error
Seedlot Upload: improve error messages
Check for undefined accession/cross before creating seedlot
Check and return seedlot store error

Fixes #3330

solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn