Flow price: --
7a8536db2b9f1aad46d87840f7b8b0ae15f4a494fb3299d0c0a1f5986d3f2fe8

Transaction

Hash: 7a8536db2b9f1aad46d87840f7b8b0ae15f4a494fb3299d0c0a1f5986d3f2fe8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7a8536db2b9f1aad46d87840f7b8b0ae15f4a494fb3299d0c0a1f5986d3f2fe8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7a8536db2b9f1aad46d87840f7b8b0ae15f4a494fb3299d0c0a1f5986d3f2fe8
Status:
ERROR
Block height:
40149975
Block id:
5732ac48e95258cfe181aaa62b2a6156596239422c1920f591f0ab9f9c402ac9
Timestamp:
Wednesday 2 November 2022 at 06:13:28 UTC
()
Proposer:
Authorizers:
Gas used:
48