Flow price: --
904cfa8b220cd48750cd6cbbf6a66b403b4de99e3ee2055319d8a44b6ae28e15

Transaction

Hash: 904cfa8b220cd48750cd6cbbf6a66b403b4de99e3ee2055319d8a44b6ae28e15
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 904cfa8b220cd48750cd6cbbf6a66b403b4de99e3ee2055319d8a44b6ae28e15:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
904cfa8b220cd48750cd6cbbf6a66b403b4de99e3ee2055319d8a44b6ae28e15
Status:
ERROR
Block height:
39971654
Block id:
ab1058d016cea9387f704381d116505ad74d3c8380cf16a2e7cb835ff8c14a1c
Timestamp:
Sunday 30 October 2022 at 06:25:32 UTC
()
Proposer:
Authorizers:
Gas used:
50