Flow price: --
cccd697508060feddff2600b3e8aa36d7f7e421f1a97be98b99fcbd6e39d424b

Transaction

Hash: cccd697508060feddff2600b3e8aa36d7f7e421f1a97be98b99fcbd6e39d424b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cccd697508060feddff2600b3e8aa36d7f7e421f1a97be98b99fcbd6e39d424b: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:
cccd697508060feddff2600b3e8aa36d7f7e421f1a97be98b99fcbd6e39d424b
Status:
ERROR
Block height:
39745854
Block id:
45b3f43cc5d00657e7451fd81d7fef43ee39dc83507336e79832e60fcf6db950
Timestamp:
Wednesday 26 October 2022 at 11:47:23 UTC
()
Proposer:
Authorizers:
Gas used:
60