Flow price: --
88e02202cffb9b389333102a59a07cd0b5595487be8e27aa1b4ea3953f72fc60

Transaction

Hash: 88e02202cffb9b389333102a59a07cd0b5595487be8e27aa1b4ea3953f72fc60
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 88e02202cffb9b389333102a59a07cd0b5595487be8e27aa1b4ea3953f72fc60:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
88e02202cffb9b389333102a59a07cd0b5595487be8e27aa1b4ea3953f72fc60
Status:
ERROR
Block height:
39819285
Block id:
e4a32b009f44d20dad437d5dd27f68ae5b0bfc2153d32e65116aa4c937c29921
Timestamp:
Thursday 27 October 2022 at 17:22:42 UTC
()
Proposer:
Authorizers:
Gas used:
49