Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c213e7c452b2fb62c443a58fb0f2f85a417b3f1418fa5abebc38582b156aea5f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^