Flow price: --
f27571cf26863b6f984585e1581c61cce3e7f5e08e83d166831dfcae0b72415b

Transaction

Hash: f27571cf26863b6f984585e1581c61cce3e7f5e08e83d166831dfcae0b72415b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f27571cf26863b6f984585e1581c61cce3e7f5e08e83d166831dfcae0b72415b: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:
f27571cf26863b6f984585e1581c61cce3e7f5e08e83d166831dfcae0b72415b
Status:
ERROR
Block height:
39878193
Block id:
a8b178fa64163b4b6cab0f7a31c709723a5d3fbf87c47792948d2a5d15a6fe5d
Timestamp:
Friday 28 October 2022 at 17:06:07 UTC
()
Proposer:
Authorizers:
Gas used:
46