Workflow not Trigerring after kernal upgrade

Hi Experts,

Recently basis team has upgraded the Kernal in SRM environment.I was going through whether entire process in SRM is working fine or not.

I found that workflow is not working properly.Once i create a SC in SRM,system shows the status as Awaiting approval but if i check the same in BBP_PD there is no workitem found.

i have cross verified the workflow settings they are looking fine.I found a queue in SM58 with the staus "Screen out with out connection to error." and the Fm it is showing against the item is BP_PDH_WFL_DB_UPDATE_BACK and target system is %%ashost=ctnhsapdsr,sysnr=00

Do i need to delete this Queue or else how to proceed?Kindly guide me in this

regards

subbu