Hi @rajanisqldev-42 ,
Here is a same error yesterday odata-error-cannot-acquire-a-managed-connection-fr.html
Someone got this error since proxy was enabled in the server.
SSIS Package is not able to access Sharepoint List during execution when the proxy is enabled.
This is working fine after changing the connection to "automatically detect settings" in the internet options.
You may have a try.
Here are some other detailed resolution in this link, you may carefully refer to see if it will be useful.
Regards,
Zoe
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