Flow price: --
a8d23516044d92a571e4f7c38ffe480d657429e2443dd1299fafe233e8db65b2

Transaction

Hash: a8d23516044d92a571e4f7c38ffe480d657429e2443dd1299fafe233e8db65b2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a8d23516044d92a571e4f7c38ffe480d657429e2443dd1299fafe233e8db65b2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a8d23516044d92a571e4f7c38ffe480d657429e2443dd1299fafe233e8db65b2
Status:
ERROR
Block height:
39880067
Block id:
4da12bb943e0f3b46f4faa8cbd2b3f4e29fb3e7cc48f2265c9fb0d8ef61e1a53
Timestamp:
Friday 28 October 2022 at 17:51:04 UTC
()
Proposer:
Authorizers:
Gas used:
47