Flow price: --
428a31af2a1481f7763d11da2a4a76128e71af72506c045e88c9c20d7523c3a9

Transaction

Hash: 428a31af2a1481f7763d11da2a4a76128e71af72506c045e88c9c20d7523c3a9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 428a31af2a1481f7763d11da2a4a76128e71af72506c045e88c9c20d7523c3a9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
428a31af2a1481f7763d11da2a4a76128e71af72506c045e88c9c20d7523c3a9
Status:
ERROR
Block height:
39804959
Block id:
ab8566ef32991ea244d66c88de56efac2ebc22ab2cb6c0f52fa44837ace90c42
Timestamp:
Thursday 27 October 2022 at 11:35:06 UTC
()
Proposer:
Authorizers:
Gas used:
47