Flow price: --
864eb9b5c98985d2bc2b5d2357924d006c6596d27a336cdbf6e2b28cabe3594c

Transaction

Hash: 864eb9b5c98985d2bc2b5d2357924d006c6596d27a336cdbf6e2b28cabe3594c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 864eb9b5c98985d2bc2b5d2357924d006c6596d27a336cdbf6e2b28cabe3594c: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:
864eb9b5c98985d2bc2b5d2357924d006c6596d27a336cdbf6e2b28cabe3594c
Status:
ERROR
Block height:
39904512
Block id:
64b84334e67ae7e0195c2febbb55cddaa54ba9431629d9c22aa9b8262d84b249
Timestamp:
Saturday 29 October 2022 at 03:34:01 UTC
()
Proposer:
Authorizers:
Gas used:
47