Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a8d5f3a2a4478623cfc50aeeeff88acf47e2f5feae455df806990eb2dbaa3e74:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^