Flow price: --
1c8144ee6d6bc0df02b1ddbde94eefde526e817ad6de72d567e505db669fe93e

Transaction

Hash: 1c8144ee6d6bc0df02b1ddbde94eefde526e817ad6de72d567e505db669fe93e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1c8144ee6d6bc0df02b1ddbde94eefde526e817ad6de72d567e505db669fe93e: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:
1c8144ee6d6bc0df02b1ddbde94eefde526e817ad6de72d567e505db669fe93e
Status:
ERROR
Block height:
39871153
Block id:
3c9a69262c52681beff0d68ce39e7f3be45be0e189019e3a099a5b6e141b0ab8
Timestamp:
Friday 28 October 2022 at 14:17:40 UTC
()
Proposer:
Authorizers:
Gas used:
46