Flow price: --
f156eb22010957bcb124a528d620f9cd1d9dbb0d17dd679f1e7a88a25380ed12

Transaction

Hash: f156eb22010957bcb124a528d620f9cd1d9dbb0d17dd679f1e7a88a25380ed12
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f156eb22010957bcb124a528d620f9cd1d9dbb0d17dd679f1e7a88a25380ed12:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f156eb22010957bcb124a528d620f9cd1d9dbb0d17dd679f1e7a88a25380ed12
Status:
ERROR
Block height:
40161472
Block id:
63dcc74c6712c1daa5a4ce56883485f663d006efe1dba734bf5947f59a25a0f6
Timestamp:
Wednesday 2 November 2022 at 10:54:06 UTC
()
Proposer:
Authorizers:
Gas used:
47