Flow price: --
137817d994e6452e46a04dbb6139b1e49048eab3e8b1e3ac371ab65dae418b5a

Transaction

Hash: 137817d994e6452e46a04dbb6139b1e49048eab3e8b1e3ac371ab65dae418b5a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 137817d994e6452e46a04dbb6139b1e49048eab3e8b1e3ac371ab65dae418b5a: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:
137817d994e6452e46a04dbb6139b1e49048eab3e8b1e3ac371ab65dae418b5a
Status:
ERROR
Block height:
40031855
Block id:
f09a5947a2264e2b302853662c1234b9e1e9e59a4b62a124d46fb7bf35b3e38a
Timestamp:
Monday 31 October 2022 at 06:28:07 UTC
()
Proposer:
Authorizers:
Gas used:
49