Flow price: --
cf799dfef1ff18b948f280f99d8ea9cf94cc7b6ca25aacee051a0a9865a594cf

Transaction

Hash: cf799dfef1ff18b948f280f99d8ea9cf94cc7b6ca25aacee051a0a9865a594cf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cf799dfef1ff18b948f280f99d8ea9cf94cc7b6ca25aacee051a0a9865a594cf: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:
cf799dfef1ff18b948f280f99d8ea9cf94cc7b6ca25aacee051a0a9865a594cf
Status:
ERROR
Block height:
40049161
Block id:
725b844560be0e3c4129c80c54b3cc27f647ecf36c73db11466ff9edac36594f
Timestamp:
Monday 31 October 2022 at 13:25:42 UTC
()
Proposer:
Authorizers:
Gas used:
47