Flow price: --
71153d4d191dcc772006847ebd508f09441034a3568ff35ec15a6bf9c5c79a1a

Transaction

Hash: 71153d4d191dcc772006847ebd508f09441034a3568ff35ec15a6bf9c5c79a1a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71153d4d191dcc772006847ebd508f09441034a3568ff35ec15a6bf9c5c79a1a: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:
71153d4d191dcc772006847ebd508f09441034a3568ff35ec15a6bf9c5c79a1a
Status:
ERROR
Block height:
40045148
Block id:
9899f39654e53afadc169ec96d96e11b67320cf927b538210514f6fac5a86afa
Timestamp:
Monday 31 October 2022 at 11:48:43 UTC
()
Proposer:
Authorizers:
Gas used:
47