Flow price: --
1fb4b5fb3f03253136779a673c7b5e051bc9ffa1a69913abe9254f38a9e0245c

Transaction

Hash: 1fb4b5fb3f03253136779a673c7b5e051bc9ffa1a69913abe9254f38a9e0245c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1fb4b5fb3f03253136779a673c7b5e051bc9ffa1a69913abe9254f38a9e0245c: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:
1fb4b5fb3f03253136779a673c7b5e051bc9ffa1a69913abe9254f38a9e0245c
Status:
ERROR
Block height:
39905299
Block id:
db3143838f76fef1f34aca58f3100992c451da3ccfa85847617c6ab580e65bd0
Timestamp:
Saturday 29 October 2022 at 03:53:09 UTC
()
Proposer:
Authorizers:
Gas used:
54