Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3cec4d99f53264864c9fdb3f613cb05d032e97f31231d8a790f6bc0e5cf6505e:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^