Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c8e43ae630321a75fc94dd96f32037c7a6a09c94c21e5cf0372522bbeafc2f94:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^