Flow price: --
f671ec9e0201e400b9c9aef3632ad2c2f838fb994b540b31d346df1418bcce1c

Transaction

Hash: f671ec9e0201e400b9c9aef3632ad2c2f838fb994b540b31d346df1418bcce1c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f671ec9e0201e400b9c9aef3632ad2c2f838fb994b540b31d346df1418bcce1c: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:
f671ec9e0201e400b9c9aef3632ad2c2f838fb994b540b31d346df1418bcce1c
Status:
ERROR
Block height:
39744975
Block id:
cbcc6b3db2f76ba768188eeda165cc7aa93ace79b6bd0cd528a3f93d65e830d3
Timestamp:
Wednesday 26 October 2022 at 11:26:03 UTC
()
Proposer:
Authorizers:
Gas used:
50