Flow price: --
d690f039a31b5f9a6c7ac37ed792cd039e7a95e2efff31c19dd2c0c385c75c99

Transaction

Hash: d690f039a31b5f9a6c7ac37ed792cd039e7a95e2efff31c19dd2c0c385c75c99
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d690f039a31b5f9a6c7ac37ed792cd039e7a95e2efff31c19dd2c0c385c75c99:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d690f039a31b5f9a6c7ac37ed792cd039e7a95e2efff31c19dd2c0c385c75c99
Status:
ERROR
Block height:
40009212
Block id:
51be92e9cacf952c6b20cd46649b9ebe6c300196e73c26a5d127f43d115dc36d
Timestamp:
Sunday 30 October 2022 at 21:26:08 UTC
()
Proposer:
Authorizers:
Gas used:
47