Flow price: --
839ff0cf7fa91f53eed461a2a3e5258325d98313973cda6b2540626fea45d484

Transaction

Hash: 839ff0cf7fa91f53eed461a2a3e5258325d98313973cda6b2540626fea45d484
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 839ff0cf7fa91f53eed461a2a3e5258325d98313973cda6b2540626fea45d484:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
839ff0cf7fa91f53eed461a2a3e5258325d98313973cda6b2540626fea45d484
Status:
ERROR
Block height:
39755989
Block id:
c1b1b2b7ef2b6149feca05a74fc46a993f1b2b581966346f84fd6530ea310df9
Timestamp:
Wednesday 26 October 2022 at 15:50:42 UTC
()
Proposer:
Authorizers:
Gas used:
46