Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 2141bd7c7dbb430c42405dc337c1d1d8527c5ca2fc68525ecd69cdb2027186ab:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^