Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 812a382eedfc8c791fbfc00145bc1d508871ce8302f348a4fcf52fcc5b4f8d12:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^