Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ae4280987b83383d97913c6dfc07beb05b1a59da0b748abd6eb471cb1bd3a2a2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^