Flow price: --
824ed3753400781f77a99e90899b0ade033c1f45f79ab60563dc6d07f2a40312

Transaction

Hash: 824ed3753400781f77a99e90899b0ade033c1f45f79ab60563dc6d07f2a40312
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 824ed3753400781f77a99e90899b0ade033c1f45f79ab60563dc6d07f2a40312:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
824ed3753400781f77a99e90899b0ade033c1f45f79ab60563dc6d07f2a40312
Status:
ERROR
Block height:
40136507
Block id:
6d94ddefc68a679de21145137290083ec9ef46aea2dd15d771a82e3a0a849200
Timestamp:
Wednesday 2 November 2022 at 00:45:39 UTC
()
Proposer:
Authorizers:
Gas used:
49