Flow price: --
96b8ac7a5decff931b457315519b8164a4bb73f68642f9b94b4750e5e77ff297

Transaction

Hash: 96b8ac7a5decff931b457315519b8164a4bb73f68642f9b94b4750e5e77ff297
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 96b8ac7a5decff931b457315519b8164a4bb73f68642f9b94b4750e5e77ff297:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
96b8ac7a5decff931b457315519b8164a4bb73f68642f9b94b4750e5e77ff297
Status:
ERROR
Block height:
40150565
Block id:
81b70f6fae446265932c8be3f67f48414892d99a8b77df9bb7e2c1a0acab5f13
Timestamp:
Wednesday 2 November 2022 at 06:28:06 UTC
()
Proposer:
Authorizers:
Gas used:
48