Flow price: --
19585784d1401632e0b09ab5e21f30a3caf9d384a5ba57b34f6470feedf6efb4

Transaction

Hash: 19585784d1401632e0b09ab5e21f30a3caf9d384a5ba57b34f6470feedf6efb4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 19585784d1401632e0b09ab5e21f30a3caf9d384a5ba57b34f6470feedf6efb4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
19585784d1401632e0b09ab5e21f30a3caf9d384a5ba57b34f6470feedf6efb4
Status:
ERROR
Block height:
40153861
Block id:
0dd9a0306c38b4e935e54cb5140a5a127f758102fd69f6a7c53da742f74ba5fd
Timestamp:
Wednesday 2 November 2022 at 07:48:57 UTC
()
Proposer:
Authorizers:
Gas used:
48