Flow price: --
86e6da50e8ca0d7946a19c8810e4efd30383462b08a21e79ba411f321fe60bb0

Transaction

Hash: 86e6da50e8ca0d7946a19c8810e4efd30383462b08a21e79ba411f321fe60bb0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 86e6da50e8ca0d7946a19c8810e4efd30383462b08a21e79ba411f321fe60bb0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
86e6da50e8ca0d7946a19c8810e4efd30383462b08a21e79ba411f321fe60bb0
Status:
ERROR
Block height:
40099759
Block id:
7f96cfcd1e94ba8d7e4a554931230e6c33c58d074e9de839cc15e99b94860e59
Timestamp:
Tuesday 1 November 2022 at 09:49:20 UTC
()
Proposer:
Authorizers:
Gas used:
47