Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 63a787309d276c50c32482d8da6426b391aa7f18538852c88688cc7790400929:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^