Flow price: --
fd753482ab85c242ebed8732eb2a5e5ed4572fd060feabdc8365ad6949da1b47

Transaction

Hash: fd753482ab85c242ebed8732eb2a5e5ed4572fd060feabdc8365ad6949da1b47
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fd753482ab85c242ebed8732eb2a5e5ed4572fd060feabdc8365ad6949da1b47:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fd753482ab85c242ebed8732eb2a5e5ed4572fd060feabdc8365ad6949da1b47
Status:
ERROR
Block height:
39975422
Block id:
65cf731ed1fd344ab5202bfb4533cfde6c50bd684017e5a2675a045aa6d1be5e
Timestamp:
Sunday 30 October 2022 at 07:56:07 UTC
()
Proposer:
Authorizers:
Gas used:
47