Adobe Journey Optimizer: Publishing journey in test mode fails

Description description

Environment
Adobe Journey Optimizer (AJ0)

Issue/Symptoms
Publishing a journey in test mode fails with the message:

{\\\"type\\\":\\\"https://ns.adobe.com/aep/errors/CJMMAS-1601-500\\\",\\\"title\\\":\\\"APS Service throws Unauthorized Error, Token might be wrong, expired or invalid.\\\",\\\"status\\\":500,\\\"report\\\":{\\\"tenantInfo\\\":
{\\\"sandboxName\\\":\\\"missing\\\",\\\"sandboxId\\\":\\\"missing\\\",\\\"imsOrgId\\\":\\\"missing\\\"}
,\\\"additionalContext\\\":{\\\"errorLevel\\\":\\\"ERROR\\\",\\\"source\\\":\\\"ASSET_PUBLISH\\\"}},\\\"error-chain\\\":
{\\\"serviceId\\\":\\\"message-authoring-service\\\",\\\"errorCode\\\":\\\"CJMMAS-1601-500\\\",\\\"invokingServiceId\\\":\\\"missing\\\",\\\"unixTimeStampMs\\\":«REDACTED»}
}}\"}}}}}"

.

Resolution resolution

The user launching test mode does not have access to Assets Essentials. You must add the user to the Assets Essentials Consumer Users or/and Assets Essentials Users Product profiles. For steps, refer to the section titled  Add user groups to product profiles  on the Administer Assets Essentials and add users page in the Assets Essentials Guide.

Cause
The user launching test mode does not have access to Assets Essentials.

recommendation-more-help
3d58f420-19b5-47a0-a122-5c9dab55ec7f