Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 15eca725df468d553a2373ac4dd4e12f1f577ce1364ec3cd968c81963cfa02f7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^