Flow price: --
f4d06c8d20ce5c3981d61458b66104a1e2c68461dbb39a621586bb6e6658e3d3

Transaction

Hash: f4d06c8d20ce5c3981d61458b66104a1e2c68461dbb39a621586bb6e6658e3d3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f4d06c8d20ce5c3981d61458b66104a1e2c68461dbb39a621586bb6e6658e3d3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f4d06c8d20ce5c3981d61458b66104a1e2c68461dbb39a621586bb6e6658e3d3
Status:
ERROR
Block height:
40081748
Block id:
9360301de1e1b24805f81fb5d4c753d17445818af619ade0749a55b6c15eac9a
Timestamp:
Tuesday 1 November 2022 at 02:30:22 UTC
()
Proposer:
Authorizers:
Gas used:
47