Flow price: --
93b984b10e16f06e9f3f94b0b2db9e0c509e075c65547904c6478b91dc600993

Transaction

Hash: 93b984b10e16f06e9f3f94b0b2db9e0c509e075c65547904c6478b91dc600993
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 93b984b10e16f06e9f3f94b0b2db9e0c509e075c65547904c6478b91dc600993:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
93b984b10e16f06e9f3f94b0b2db9e0c509e075c65547904c6478b91dc600993
Status:
ERROR
Block height:
39921640
Block id:
3f29fb230edf11db2e5d9bd1d88f3e65008fd73192012cbaad2cbe178cf4f6ab
Timestamp:
Saturday 29 October 2022 at 10:26:27 UTC
()
Proposer:
Authorizers:
Gas used:
50