Flow price: --
a25000f881c52d5c659bbe0d35735b40c62a6b2ea4b6b05495019aec10f178ad

Transaction

Hash: a25000f881c52d5c659bbe0d35735b40c62a6b2ea4b6b05495019aec10f178ad
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a25000f881c52d5c659bbe0d35735b40c62a6b2ea4b6b05495019aec10f178ad: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:
a25000f881c52d5c659bbe0d35735b40c62a6b2ea4b6b05495019aec10f178ad
Status:
ERROR
Block height:
40144031
Block id:
1df7db31a3126f8e65f3d3e711a99141fbe9f9deaa3770fec38276cfdc133ed5
Timestamp:
Wednesday 2 November 2022 at 03:48:29 UTC
()
Proposer:
Authorizers:
Gas used:
47