Flow price: --
84c851deea2ca899050b92a8b4a875e1750b8aa32205c16bc2c755c04aa6976b

Transaction

Hash: 84c851deea2ca899050b92a8b4a875e1750b8aa32205c16bc2c755c04aa6976b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 84c851deea2ca899050b92a8b4a875e1750b8aa32205c16bc2c755c04aa6976b: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:
84c851deea2ca899050b92a8b4a875e1750b8aa32205c16bc2c755c04aa6976b
Status:
ERROR
Block height:
40022244
Block id:
61b28846a56dbf9da4276121f34e15c0e54a5a911b6924fd81bd539d0edeef48
Timestamp:
Monday 31 October 2022 at 02:35:57 UTC
()
Proposer:
Authorizers:
Gas used:
47