Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 5f7bfb94a32fed0d92f175b48c6142a9afde87577209c717b85088f1ac66df52:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^