Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7818430a42bc28e949dc7deea850476a9719766c34f57328e102053131146cab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^