Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4babbfa76deb8107d0d05b6841f4b107913dca76d685b4fa93bcb7ca73d0bea8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^