Flow price: --
f8b723d190b554909f0a2e221f80c2388d5530d910f1ad8e70a6c7f6a2d90aa9

Transaction

Hash: f8b723d190b554909f0a2e221f80c2388d5530d910f1ad8e70a6c7f6a2d90aa9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> f8b723d190b554909f0a2e221f80c2388d5530d910f1ad8e70a6c7f6a2d90aa9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
f8b723d190b554909f0a2e221f80c2388d5530d910f1ad8e70a6c7f6a2d90aa9
Status:
ERROR
Block height:
40689978
Block id:
ec78a7aed45f01107e3e9e7ff8a4e82c471091343546cf57e81b2e04b28eb0cc
Timestamp:
Friday 11 November 2022 at 07:54:54 UTC
()
Proposer:
Authorizers:
Gas used:
23