Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6e9322cf102415c1a950febe8d2cfb8a0b0e9dc5161510002a7d1fc252ca3edd:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^