Flow price: --
5e7d3d66bae1547e190330d29e48254e18824a7aac40394b35677ce7342302c0

Transaction

Hash: 5e7d3d66bae1547e190330d29e48254e18824a7aac40394b35677ce7342302c0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5e7d3d66bae1547e190330d29e48254e18824a7aac40394b35677ce7342302c0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5e7d3d66bae1547e190330d29e48254e18824a7aac40394b35677ce7342302c0
Status:
ERROR
Block height:
39844651
Block id:
a18997aeba8dd633ddc75c1ed84892882a4f85c914bbcc2cc3655e1aa131d073
Timestamp:
Friday 28 October 2022 at 03:36:12 UTC
()
Proposer:
Authorizers:
Gas used:
47