Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6d54e6b07e05fbade6d5861a48ed09310166f71954944da48b479f368d03598e:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^