Flow price: --
ac3966dcb9005874b73094c8947ac5fe2e5ce69de6f8765064f8f7be82383a81

Transaction

Hash: ac3966dcb9005874b73094c8947ac5fe2e5ce69de6f8765064f8f7be82383a81
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ac3966dcb9005874b73094c8947ac5fe2e5ce69de6f8765064f8f7be82383a81:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ac3966dcb9005874b73094c8947ac5fe2e5ce69de6f8765064f8f7be82383a81
Status:
ERROR
Block height:
39748872
Block id:
bf53216170cf1bc54d9fce77a4ce3a3e5f01e0e9ecd9f57f79fb54c511a4f4db
Timestamp:
Wednesday 26 October 2022 at 12:59:57 UTC
()
Proposer:
Authorizers:
Gas used:
61