Flow price: --
a0511bf67246305ad6014fca518b36db54c79657bcbe45ba0a9ac934470ce3b8

Transaction

Hash: a0511bf67246305ad6014fca518b36db54c79657bcbe45ba0a9ac934470ce3b8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a0511bf67246305ad6014fca518b36db54c79657bcbe45ba0a9ac934470ce3b8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a0511bf67246305ad6014fca518b36db54c79657bcbe45ba0a9ac934470ce3b8
Status:
ERROR
Block height:
39758936
Block id:
90767248b4d530fc701d741e23be26e9f2b82be6719dcf837123eed4eb7654ae
Timestamp:
Wednesday 26 October 2022 at 17:02:31 UTC
()
Proposer:
Authorizers:
Gas used:
46