Flow price: --
739fab4576ffb3b1dfbc99cbb6694ffc86d97a9cbb04143c1cd5775d6e7be3b5

Transaction

Hash: 739fab4576ffb3b1dfbc99cbb6694ffc86d97a9cbb04143c1cd5775d6e7be3b5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 739fab4576ffb3b1dfbc99cbb6694ffc86d97a9cbb04143c1cd5775d6e7be3b5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
739fab4576ffb3b1dfbc99cbb6694ffc86d97a9cbb04143c1cd5775d6e7be3b5
Status:
ERROR
Block height:
40154768
Block id:
6fe69179b35266ab7a8136b0566cd8d2dce3319a4eb6e4e25582f10def7f6d83
Timestamp:
Wednesday 2 November 2022 at 08:10:55 UTC
()
Proposer:
Authorizers:
Gas used:
47