Flow price: --
4b20190d242270baf0e98bee49dc5578eadbc596a4651e9ed16b1e27b583f925

Transaction

Hash: 4b20190d242270baf0e98bee49dc5578eadbc596a4651e9ed16b1e27b583f925
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4b20190d242270baf0e98bee49dc5578eadbc596a4651e9ed16b1e27b583f925:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4b20190d242270baf0e98bee49dc5578eadbc596a4651e9ed16b1e27b583f925
Status:
ERROR
Block height:
40168717
Block id:
d835ffd057f8a2f19c10a760942938659fbbfd54e0ac4c63a677b383d75136ed
Timestamp:
Wednesday 2 November 2022 at 13:49:19 UTC
()
Proposer:
Authorizers:
Gas used:
46