Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a8215343f9d28e7a3f3b3fc3bf9a1571398bcc93103d4438a8b7a56532a7effb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^