Flow price: --
963b7f7391439fbc4b6536cbe48a66ad3a4d0fd50fe31ed0e41dabbd662c34b6

Transaction

Hash: 963b7f7391439fbc4b6536cbe48a66ad3a4d0fd50fe31ed0e41dabbd662c34b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 963b7f7391439fbc4b6536cbe48a66ad3a4d0fd50fe31ed0e41dabbd662c34b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
963b7f7391439fbc4b6536cbe48a66ad3a4d0fd50fe31ed0e41dabbd662c34b6
Status:
ERROR
Block height:
40023519
Block id:
a229dc745533f3ce11d71be297c0188fd5e9f13075fc8f6ae44e5a47bbb29359
Timestamp:
Monday 31 October 2022 at 03:06:00 UTC
()
Proposer:
Authorizers:
Gas used:
49