Flow price: --
cd169b81748448d8ce671dc1e716776da845dd8b9e8f0d4bca39220d8c18b3c6

Transaction

Hash: cd169b81748448d8ce671dc1e716776da845dd8b9e8f0d4bca39220d8c18b3c6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cd169b81748448d8ce671dc1e716776da845dd8b9e8f0d4bca39220d8c18b3c6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cd169b81748448d8ce671dc1e716776da845dd8b9e8f0d4bca39220d8c18b3c6
Status:
ERROR
Block height:
40053894
Block id:
8bd0470b6288d47c1f3c1bba6be37f7e6c65fb52a9751a6eb9a32a523618e94d
Timestamp:
Monday 31 October 2022 at 15:20:42 UTC
()
Proposer:
Authorizers:
Gas used:
49