Flow price: --
061587250fc69a3c4a929c6efbf87b775a4ff45ef8d3cc81e16dee5fad09de4c

Transaction

Hash: 061587250fc69a3c4a929c6efbf87b775a4ff45ef8d3cc81e16dee5fad09de4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 061587250fc69a3c4a929c6efbf87b775a4ff45ef8d3cc81e16dee5fad09de4c: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:
061587250fc69a3c4a929c6efbf87b775a4ff45ef8d3cc81e16dee5fad09de4c
Status:
ERROR
Block height:
39743496
Block id:
4a361d5ce476fe5d3e4435f92ef1d4516db9d92107c82281ed5af576c6105ea4
Timestamp:
Wednesday 26 October 2022 at 10:49:17 UTC
()
Proposer:
Authorizers:
Gas used:
50