Flow price: --
4e5089b13b0c1b3fa8567ffe5957bb72971af627ebeb7a7888ee75308e131030

Transaction

Hash: 4e5089b13b0c1b3fa8567ffe5957bb72971af627ebeb7a7888ee75308e131030
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4e5089b13b0c1b3fa8567ffe5957bb72971af627ebeb7a7888ee75308e131030:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4e5089b13b0c1b3fa8567ffe5957bb72971af627ebeb7a7888ee75308e131030
Status:
ERROR
Block height:
39967539
Block id:
bfa8ea3046f42c3f21f455dc27996294bd97856fb1a9b3f8f452ac214b3acc1a
Timestamp:
Sunday 30 October 2022 at 04:46:13 UTC
()
Proposer:
Authorizers:
Gas used:
50