Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d25a3da0aa9d68d6934ae42c14f1168885a0f6d2f2cd0dbfddc4502a8d26dde8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^