Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4e0dec05f03af5acfbf43dacfafae2983615fe4fb805dfd2bed100c9da69dc7f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^