Flow price: --
64afaeb5b4b637e059a79a621922e14d9ae762a103737a38b8c3628d736fa0f2

Transaction

Hash: 64afaeb5b4b637e059a79a621922e14d9ae762a103737a38b8c3628d736fa0f2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64afaeb5b4b637e059a79a621922e14d9ae762a103737a38b8c3628d736fa0f2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64afaeb5b4b637e059a79a621922e14d9ae762a103737a38b8c3628d736fa0f2
Status:
ERROR
Block height:
39828531
Block id:
974f2ea16b86558034b055530770d7d0c5e6e7323ba888be3e0cec3160b0c536
Timestamp:
Thursday 27 October 2022 at 21:08:01 UTC
()
Proposer:
Authorizers:
Gas used:
46