Flow price: --
a057c0f7959cdee06ae66ebcb3d36a33915d87f9acfbee09bff096e789bf967b

Transaction

Hash: a057c0f7959cdee06ae66ebcb3d36a33915d87f9acfbee09bff096e789bf967b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a057c0f7959cdee06ae66ebcb3d36a33915d87f9acfbee09bff096e789bf967b: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:
a057c0f7959cdee06ae66ebcb3d36a33915d87f9acfbee09bff096e789bf967b
Status:
ERROR
Block height:
40122297
Block id:
77a7958469fac353adebf4dd246a03e56212492012ab6940e5dc1f41f98d341e
Timestamp:
Tuesday 1 November 2022 at 18:56:49 UTC
()
Proposer:
Authorizers:
Gas used:
55