fix: properly handle errors when posting CSR's #438

Job	Run time
build-nextjs / nextjs-build	46s
unit-test-frontend / nextjs-unit-tests	18s
unit-test-gocert / go-unit-tests	16s
build-gocert / go-build	15s
go-vet / go-vet	15s
go-lint / lint	21s
rock-build / build-rock	8m 50s
rock-scan	0s
publish	0s
	11m 1s

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