Flow price: --
54419f9dd75d101f8d328e836c8dd1cab6a45b083e5b7f761258560fedb3755e

Transaction

Hash: 54419f9dd75d101f8d328e836c8dd1cab6a45b083e5b7f761258560fedb3755e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 54419f9dd75d101f8d328e836c8dd1cab6a45b083e5b7f761258560fedb3755e: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:
54419f9dd75d101f8d328e836c8dd1cab6a45b083e5b7f761258560fedb3755e
Status:
ERROR
Block height:
40158487
Block id:
6a22a3f3b6d1049dbaec73c480f44cc148de2be0afca75395fb2b047ed1576cf
Timestamp:
Wednesday 2 November 2022 at 09:41:18 UTC
()
Proposer:
Authorizers:
Gas used:
46