1) I have created Inbound delivery
2) inbound delivery Mapped in EWM
3) created shipment and added inbound delivery
4) When I tried to pack with hu it is not letting to pack and not triggering
How to send shipment data to SAP EWM from ECC though I have created MTR and linked to material also.
complete details steps would very much appriciated.
Please check this post with the steps for you case (ignore option 4): https://blogs.sap.com/2019/09/25/sap-ewm-shipping-and-receiving-review/
This may help you to see if the logics you used are correct.
If this still doesn't help please let us know, perhaps could be good to send the error or some screenshots performing the steps on your side. We keep in touch!