Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9c4961f55cf6b54b4276d55a249e843d481149e7e7db291c244c7bf5ce2a398e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^