Flow price: --
68b4a77df0c341e132882d3cca3884d05fec7cd6f985adff3a556c7a9886f803

Transaction

Hash: 68b4a77df0c341e132882d3cca3884d05fec7cd6f985adff3a556c7a9886f803
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 68b4a77df0c341e132882d3cca3884d05fec7cd6f985adff3a556c7a9886f803:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
68b4a77df0c341e132882d3cca3884d05fec7cd6f985adff3a556c7a9886f803
Status:
ERROR
Block height:
40029311
Block id:
220c478cfda55990a7a793508b282f6814aeab03750fe03784f58d634d4c606a
Timestamp:
Monday 31 October 2022 at 05:26:32 UTC
()
Proposer:
Authorizers:
Gas used:
47