Flow price: --
d44f97efee22d4c20b000ec69fbf1871e361e212f8791dbe3089d80588e7f88f

Transaction

Hash: d44f97efee22d4c20b000ec69fbf1871e361e212f8791dbe3089d80588e7f88f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d44f97efee22d4c20b000ec69fbf1871e361e212f8791dbe3089d80588e7f88f: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:
d44f97efee22d4c20b000ec69fbf1871e361e212f8791dbe3089d80588e7f88f
Status:
ERROR
Block height:
39855596
Block id:
f1577a65e75292d4364e74c87a3379b9863062e51773bca6233ccf11e0ced642
Timestamp:
Friday 28 October 2022 at 08:02:56 UTC
()
Proposer:
Authorizers:
Gas used:
47