Flow price: --
b9c66fdf56184d2086afbce57e63f7fb9384949ecfec088b64db719d7f971673

Transaction

Hash: b9c66fdf56184d2086afbce57e63f7fb9384949ecfec088b64db719d7f971673
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9c66fdf56184d2086afbce57e63f7fb9384949ecfec088b64db719d7f971673:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b9c66fdf56184d2086afbce57e63f7fb9384949ecfec088b64db719d7f971673
Status:
ERROR
Block height:
40023203
Block id:
13cfb157bf9230c8b260ad5a3afaf92e437535c7b860ef29f7e6d6dc8e4a7a2a
Timestamp:
Monday 31 October 2022 at 02:58:43 UTC
()
Proposer:
Authorizers:
Gas used:
49