Flow price: --
bb1da558ccfa5fd42fa345e45377d422e58a05d9a34427a90a75942f4b1dd7b3

Transaction

Hash: bb1da558ccfa5fd42fa345e45377d422e58a05d9a34427a90a75942f4b1dd7b3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bb1da558ccfa5fd42fa345e45377d422e58a05d9a34427a90a75942f4b1dd7b3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bb1da558ccfa5fd42fa345e45377d422e58a05d9a34427a90a75942f4b1dd7b3
Status:
ERROR
Block height:
40156662
Block id:
91e0b0aef429f74d3265e4a896b122d45d847116d38da06fec1adcb9e33d64f7
Timestamp:
Wednesday 2 November 2022 at 08:57:23 UTC
()
Proposer:
Authorizers:
Gas used:
48