Flow price: --
748167ff8fc0507bc4a8d64dddd78a3f58d430bd6f208d08084be4ab48a39c31

Transaction

Hash: 748167ff8fc0507bc4a8d64dddd78a3f58d430bd6f208d08084be4ab48a39c31
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 748167ff8fc0507bc4a8d64dddd78a3f58d430bd6f208d08084be4ab48a39c31:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
748167ff8fc0507bc4a8d64dddd78a3f58d430bd6f208d08084be4ab48a39c31
Status:
ERROR
Block height:
40034924
Block id:
91d93ed97dd8977e6e0b801713ee47dc5e5fa08abf3c279d1e3f2b9a34d366bc
Timestamp:
Monday 31 October 2022 at 07:41:47 UTC
()
Proposer:
Authorizers:
Gas used:
47