Flow price: --
c835757a10af4a1a7ddeedd507444e8bb54eae19357a3f7c7ead6a8448ab72bf

Transaction

Hash: c835757a10af4a1a7ddeedd507444e8bb54eae19357a3f7c7ead6a8448ab72bf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c835757a10af4a1a7ddeedd507444e8bb54eae19357a3f7c7ead6a8448ab72bf: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:
c835757a10af4a1a7ddeedd507444e8bb54eae19357a3f7c7ead6a8448ab72bf
Status:
ERROR
Block height:
39977776
Block id:
3d55d293dce13fc380b21a621f1f33f6514b33c791975025a59ac93bde8b5737
Timestamp:
Sunday 30 October 2022 at 08:52:24 UTC
()
Proposer:
Authorizers:
Gas used:
50