OAI-PMH Harvester

when i harvest through Oai-pmh harvester , it show

ID 5
Set Spec hdl_10821_53
Set Name LIS Journal article
Metadata Prefix mets
Base URL http://arxiv.iacs.res.in:8080/oai/request
Status Queued
Initiated 2022-07-14 12:21:01
Completed [not completed]
Status Messages
 how to solved it ? i started 2 days ago but still showing Queued .....please help me!!!