Unknown person name

When you log work, person tags name shows like unknows, When you refresh page is fixing but temporarily.

Hi @ertugrulgaziakca,

Would you mind providing links to the APIs you are referring to or is this a question more relevant to the usage of Jira as a customer? If the latter is the case, please pose this question in https://community.atlassian.com/.

Regards,
Dugald