For each lop error ssis

I have a pakacge with foreach loop ADO.net enumerator to process multiple excel files. Now package is failing when the the generated file is not available in shared drvie. So can anyone please advise me how to solve this issue?

Error: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER.  The AcquireConnection method call to the connection manager "Excel" failed with error code 0xC0202009.