Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 08a6a6b76a3d680a671cb91cc79b8ef19b54e4811472404d18f68db2eec081e3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^