Flow price: --
a59e25cb41c543a25a47acecad9ab506573f2bbe5fd1704cade998f25f123d45

Transaction

Hash: a59e25cb41c543a25a47acecad9ab506573f2bbe5fd1704cade998f25f123d45
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a59e25cb41c543a25a47acecad9ab506573f2bbe5fd1704cade998f25f123d45:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a59e25cb41c543a25a47acecad9ab506573f2bbe5fd1704cade998f25f123d45
Status:
ERROR
Block height:
40040335
Block id:
0ef7e003d5242e5bf4e57c40268b8b8ec2e191785d4c016aae3cbfb963b933e9
Timestamp:
Monday 31 October 2022 at 09:51:58 UTC
()
Proposer:
Authorizers:
Gas used:
50