Flow price: --
a90c3ec6cb48b841d7789de867d57cddbe802dc80752548090175f1d0ca90e78

Transaction

Hash: a90c3ec6cb48b841d7789de867d57cddbe802dc80752548090175f1d0ca90e78
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a90c3ec6cb48b841d7789de867d57cddbe802dc80752548090175f1d0ca90e78:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a90c3ec6cb48b841d7789de867d57cddbe802dc80752548090175f1d0ca90e78
Status:
ERROR
Block height:
40162950
Block id:
f0729c78a190cf2cf8500c85d3a985ccd31cf8fd74fd35d4cf8c2a7e18ccb987
Timestamp:
Wednesday 2 November 2022 at 11:30:17 UTC
()
Proposer:
Authorizers:
Gas used:
47