Flow price: --
1b17a92b5cbda361dc81b64813243e6c3c863fd3665d4ca8e5fa778efebae80e

Transaction

Hash: 1b17a92b5cbda361dc81b64813243e6c3c863fd3665d4ca8e5fa778efebae80e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b17a92b5cbda361dc81b64813243e6c3c863fd3665d4ca8e5fa778efebae80e: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:
1b17a92b5cbda361dc81b64813243e6c3c863fd3665d4ca8e5fa778efebae80e
Status:
ERROR
Block height:
40139179
Block id:
5e9e1ca9f566baac21ca3b1622cf6dcfde2547ca385a49c33c39b67b3eaf7e2f
Timestamp:
Wednesday 2 November 2022 at 01:50:17 UTC
()
Proposer:
Authorizers:
Gas used:
47