Flow price: --
864df92704fdd95c426c7f10e000c9150d2b7fa88f6eb7aa7709a684cdee378b

Transaction

Hash: 864df92704fdd95c426c7f10e000c9150d2b7fa88f6eb7aa7709a684cdee378b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 864df92704fdd95c426c7f10e000c9150d2b7fa88f6eb7aa7709a684cdee378b: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:
864df92704fdd95c426c7f10e000c9150d2b7fa88f6eb7aa7709a684cdee378b
Status:
ERROR
Block height:
39929983
Block id:
14b7ab19f2ec87ba24b42018f9e9f54f0707684a63b637363c448e8e56100998
Timestamp:
Saturday 29 October 2022 at 13:48:37 UTC
()
Proposer:
Authorizers:
Gas used:
54