Flow price: --
884323b4c3a9763f1aace4d1b35cad96e6f5ae84794c8cc07a7ee723535357dd

Transaction

Hash: 884323b4c3a9763f1aace4d1b35cad96e6f5ae84794c8cc07a7ee723535357dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 884323b4c3a9763f1aace4d1b35cad96e6f5ae84794c8cc07a7ee723535357dd: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:
884323b4c3a9763f1aace4d1b35cad96e6f5ae84794c8cc07a7ee723535357dd
Status:
ERROR
Block height:
39852128
Block id:
fd7c446e071045d2225e7a9fcc678771fddef0169ae69c40d2ac98d01ba0b5b8
Timestamp:
Friday 28 October 2022 at 06:37:35 UTC
()
Proposer:
Authorizers:
Gas used:
49