Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4cde9d39841540367f7044d59fd43c811769ec4a87a93c4e73777c6fbf2c2e1a:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^