Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 089ba7a55d13f69a044e3ef788eec5f92dc613316c9c98882891de3a7d6c3302:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^