Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 11f422625eb2c4dc0e2c90597f85e4cbd694760bd7f0b3db4a7baaba709c6e92:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^