Flow price: --
23cc4a6d866e02726aa7a5e7765f07b53b1d4a2881f1b3546aea0f73871e8101

Transaction

Hash: 23cc4a6d866e02726aa7a5e7765f07b53b1d4a2881f1b3546aea0f73871e8101
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 23cc4a6d866e02726aa7a5e7765f07b53b1d4a2881f1b3546aea0f73871e8101:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
23cc4a6d866e02726aa7a5e7765f07b53b1d4a2881f1b3546aea0f73871e8101
Status:
ERROR
Block height:
39863494
Block id:
f9de7ca79031e2ab7c86e94e6178acf19a17f6311500a3aacdabb49085117e0e
Timestamp:
Friday 28 October 2022 at 11:13:11 UTC
()
Proposer:
Authorizers:
Gas used:
47