Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a89db70246c29110493379e77ee4dd31913308c88e9f9dfaa8ddfaa992426062:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^