Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4d84bb1f4f923772736f1e69097a4527db9ae1b88cffc3121f46534d990c432f:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^