Fix the error message of a keyValueBox not showing when the tag hasn't been added before submit
Fix the error message of a keyValueBox not showing when the tag hasn't been added before submit

Katrienvh/forkcms,jacob-v-dam/forkcms,sumocoders/forkcms,jacob-v-dam/forkcms,bartdc/forkcms,carakas/forkcms,jessedobbelaere/forkcms,justcarakas/forkcms,carakas/forkcms,sumocoders/forkcms,sumocoders/forkcms,jessedobbelaere/forkcms,jonasdekeukelaere/forkcms,jonasdekeukelaere/forkcms,forkcms/forkcms,forkcms/forkcms,jessedobbelaere/forkcms,Katrienvh/forkcms,carakas/forkcms,jacob-v-dam/forkcms,Katrienvh/forkcms,bartdc/forkcms,carakas/forkcms,carakas/forkcms,forkcms/forkcms,jessedobbelaere/forkcms,jonasdekeukelaere/forkcms,justcarakas/forkcms,sumocoders/forkcms,jonasdekeukelaere/forkcms,bartdc/forkcms,jonasdekeukelaere/forkcms,jacob-v-dam/forkcms,forkcms/forkcms,justcarakas/forkcms,Katrienvh/forkcms,sumocoders/forkcms