Flow price: --
8d448e8fd3c027f485e89ec6be41909fc81b6c90c2dfd3c0a4d917362b5fbe51

Transaction

Hash: 8d448e8fd3c027f485e89ec6be41909fc81b6c90c2dfd3c0a4d917362b5fbe51
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8d448e8fd3c027f485e89ec6be41909fc81b6c90c2dfd3c0a4d917362b5fbe51:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8d448e8fd3c027f485e89ec6be41909fc81b6c90c2dfd3c0a4d917362b5fbe51
Status:
ERROR
Block height:
40143611
Block id:
1d64e61fc892abb2122cf6fd7cf26df701541c33de9a647e8a44550fe3a570b9
Timestamp:
Wednesday 2 November 2022 at 03:38:13 UTC
()
Proposer:
Authorizers:
Gas used:
49