Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1320e99efe1f2d8951b1b30ef5709055b17949f6d289cb4d1549fc442a280bc6:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^