Flow price: --
219e1016e882378f253526c98ab4ae9f0dafa5e180b1bcee90a011b3725bbd01

Transaction

Hash: 219e1016e882378f253526c98ab4ae9f0dafa5e180b1bcee90a011b3725bbd01
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 219e1016e882378f253526c98ab4ae9f0dafa5e180b1bcee90a011b3725bbd01:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
219e1016e882378f253526c98ab4ae9f0dafa5e180b1bcee90a011b3725bbd01
Status:
ERROR
Block height:
40114864
Block id:
6f25e96770f8c3b39ab3b002ea673997b6f67a1fd99c5928b0ffe398e568dea2
Timestamp:
Tuesday 1 November 2022 at 15:56:05 UTC
()
Proposer:
Authorizers:
Gas used:
47