Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1a7c1db6171792b000f91824311f2cf89a099783fde6a4a0e2c03d85b60ad52d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^