Flow price: --
849946b207d8a1faa042d40163819de7213ba87f76715ac3a5cf3146fdf9303c

Transaction

Hash: 849946b207d8a1faa042d40163819de7213ba87f76715ac3a5cf3146fdf9303c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 849946b207d8a1faa042d40163819de7213ba87f76715ac3a5cf3146fdf9303c: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:
849946b207d8a1faa042d40163819de7213ba87f76715ac3a5cf3146fdf9303c
Status:
ERROR
Block height:
39964041
Block id:
da3d6c114889c9fe076b7a87c3ff8f7e254b08537b34425103cd5c883c1b3efb
Timestamp:
Sunday 30 October 2022 at 03:22:16 UTC
()
Proposer:
Authorizers:
Gas used:
47