Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2bc95e809644f672e9229b549fec9a55e1b693d2aa075fc7f9cb728d03bdcc2c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^