Flow price: --
2efa6ca855c6dcd45154060b063e4f2d26a0e84cf9170d035194798517538cd6

Transaction

Hash: 2efa6ca855c6dcd45154060b063e4f2d26a0e84cf9170d035194798517538cd6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2efa6ca855c6dcd45154060b063e4f2d26a0e84cf9170d035194798517538cd6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2efa6ca855c6dcd45154060b063e4f2d26a0e84cf9170d035194798517538cd6
Status:
ERROR
Block height:
40122627
Block id:
5abba64bac36d7cf1ed51c82726354f61ee7ba1bd89380d0f2792615dcd45cb3
Timestamp:
Tuesday 1 November 2022 at 19:04:54 UTC
()
Proposer:
Authorizers:
Gas used:
47