Solution for the error “Invalid parameter given. A valid $fileId[tmp_name] is expected”

Please refer to the below solution:

https://meetanshi.com/blog/solved-invalid-parameter-given-a-valid-fileidtmp_name-is-expected-in-magento-2-3-3/

It will help your to solve your issue about the error:  “Invalid parameter given. A valid $fileId[tmp_name] is expected”