Flow price: --
1888639d646a59e75248b3c8c9865e24de5426d46ff364f7cc2f5166af9dac74

Transaction

Hash: 1888639d646a59e75248b3c8c9865e24de5426d46ff364f7cc2f5166af9dac74
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1888639d646a59e75248b3c8c9865e24de5426d46ff364f7cc2f5166af9dac74:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1888639d646a59e75248b3c8c9865e24de5426d46ff364f7cc2f5166af9dac74
Status:
ERROR
Block height:
39768053
Block id:
0970c4a99a07f3c74fa2e57c14111c6ba5c99d4f43cf52a3ca2f6f16b0dd9def
Timestamp:
Wednesday 26 October 2022 at 20:43:07 UTC
()
Proposer:
Authorizers:
Gas used:
62