Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 09a72b3167333635abec1f0e3400a7eabbf1450e30136c5a1f6d3937cb5e268d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^