Flow price: --
41012d165b57ea4edcb27a94a49312c98d130c69a2888ed1d4e28fdb827cd33e

Transaction

Hash: 41012d165b57ea4edcb27a94a49312c98d130c69a2888ed1d4e28fdb827cd33e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 41012d165b57ea4edcb27a94a49312c98d130c69a2888ed1d4e28fdb827cd33e: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:
41012d165b57ea4edcb27a94a49312c98d130c69a2888ed1d4e28fdb827cd33e
Status:
ERROR
Block height:
39869359
Block id:
194d6ee3bb387c8f6710ceaf5cf77612e0ee7b58ff85be9129c36a6a70b9cdff
Timestamp:
Friday 28 October 2022 at 13:34:11 UTC
()
Proposer:
Authorizers:
Gas used:
48