Flow price: --
1cace48d7e4e019cbea49b1fe716ac6f7d911a0f1f59c3d0fa28f9666bf697d2

Transaction

Hash: 1cace48d7e4e019cbea49b1fe716ac6f7d911a0f1f59c3d0fa28f9666bf697d2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1cace48d7e4e019cbea49b1fe716ac6f7d911a0f1f59c3d0fa28f9666bf697d2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1cace48d7e4e019cbea49b1fe716ac6f7d911a0f1f59c3d0fa28f9666bf697d2
Status:
ERROR
Block height:
39947597
Block id:
ba8c2fda4da75db82416ce14b0e700b0685fd4cbf46df6fad3e4a9bc4e97528f
Timestamp:
Saturday 29 October 2022 at 20:53:06 UTC
()
Proposer:
Authorizers:
Gas used:
45