Flow price: --
bd7df67d63d6e80f181bae0c255850a76e26b340fa87640e6ec7f0d1378347b0

Transaction

Hash: bd7df67d63d6e80f181bae0c255850a76e26b340fa87640e6ec7f0d1378347b0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bd7df67d63d6e80f181bae0c255850a76e26b340fa87640e6ec7f0d1378347b0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bd7df67d63d6e80f181bae0c255850a76e26b340fa87640e6ec7f0d1378347b0
Status:
ERROR
Block height:
39874467
Block id:
06dbdcb8effa367aa345c5509bc734ffb73eb4a7dcf5b449912da19e362f9fb5
Timestamp:
Friday 28 October 2022 at 15:37:13 UTC
()
Proposer:
Authorizers:
Gas used:
47