Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 90b942901597cc48da111a13ccd16f8403148381a9975787b35c3caee843ef30:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^