Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c30e75c4bd989241ecf653ce10bc9992bfe2a6dfbfe4b7f4f78a277709560f92:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^