Flow price: --
9d755fe6b68c7cde1691eb7652fb83e13ba52b821c3eb3f2b5a2c9836e583f90

Transaction

Hash: 9d755fe6b68c7cde1691eb7652fb83e13ba52b821c3eb3f2b5a2c9836e583f90
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9d755fe6b68c7cde1691eb7652fb83e13ba52b821c3eb3f2b5a2c9836e583f90:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9d755fe6b68c7cde1691eb7652fb83e13ba52b821c3eb3f2b5a2c9836e583f90
Status:
ERROR
Block height:
40106175
Block id:
4aa4833094271fb6a93fbd47c6e5e38806ebfc544735bb47854534610aba2df3
Timestamp:
Tuesday 1 November 2022 at 12:25:12 UTC
()
Proposer:
Authorizers:
Gas used:
46