Flow price: --
c9ad95a4f2b5cf646b55adef78c7f54f2ad109f097d1bb987b20fa39a20b766c

Transaction

Hash: c9ad95a4f2b5cf646b55adef78c7f54f2ad109f097d1bb987b20fa39a20b766c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c9ad95a4f2b5cf646b55adef78c7f54f2ad109f097d1bb987b20fa39a20b766c: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:
c9ad95a4f2b5cf646b55adef78c7f54f2ad109f097d1bb987b20fa39a20b766c
Status:
ERROR
Block height:
40023975
Block id:
70c7c2e16f4520ffe6980394e3daf3606572b2057c75d9209997b5f4489a3429
Timestamp:
Monday 31 October 2022 at 03:17:23 UTC
()
Proposer:
Authorizers:
Gas used:
46