Flow price: --
d07fc8b99029c969daedc5c703af59adaa79d3b3bcc5fdf07748cae0c99cd9cd

Transaction

Hash: d07fc8b99029c969daedc5c703af59adaa79d3b3bcc5fdf07748cae0c99cd9cd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d07fc8b99029c969daedc5c703af59adaa79d3b3bcc5fdf07748cae0c99cd9cd: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:
d07fc8b99029c969daedc5c703af59adaa79d3b3bcc5fdf07748cae0c99cd9cd
Status:
ERROR
Block height:
40058947
Block id:
1a5c93c3334583b2b1611e7b1f8ad3cac1c1c3a502c2139ab8c670b729d9c3c2
Timestamp:
Monday 31 October 2022 at 17:24:23 UTC
()
Proposer:
Authorizers:
Gas used:
48