Flow price: --
659712ce7f6fc2c9f6763080515f56c1b06cbb482044078e2f939b929c3ae7e1

Transaction

Hash: 659712ce7f6fc2c9f6763080515f56c1b06cbb482044078e2f939b929c3ae7e1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 659712ce7f6fc2c9f6763080515f56c1b06cbb482044078e2f939b929c3ae7e1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
659712ce7f6fc2c9f6763080515f56c1b06cbb482044078e2f939b929c3ae7e1
Status:
ERROR
Block height:
40147865
Block id:
03f261022e78915d7406f03a2a6d638becdc803f16ac4b6089376d4f7d5077a5
Timestamp:
Wednesday 2 November 2022 at 05:22:02 UTC
()
Proposer:
Authorizers:
Gas used:
48