Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 721157da17c855e40436869a5a4bf7f501d20626f4b71f83ccd9d8ccdb1f2f3b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^