Flow price: --
824004d2ba60a84119017a06b9008be1515e9e0199cfbdf0fd2139e77778233d

Transaction

Hash: 824004d2ba60a84119017a06b9008be1515e9e0199cfbdf0fd2139e77778233d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 824004d2ba60a84119017a06b9008be1515e9e0199cfbdf0fd2139e77778233d: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:
824004d2ba60a84119017a06b9008be1515e9e0199cfbdf0fd2139e77778233d
Status:
ERROR
Block height:
40107827
Block id:
3831984ff87c1fb81b8103a258bb5b49fd6a9f604b8d7315b94b05c0ef03a385
Timestamp:
Tuesday 1 November 2022 at 13:05:06 UTC
()
Proposer:
Authorizers:
Gas used:
47