Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 55fa91e7eec814eae2e48617efdcb1ed3da056b37124d8c83307fbf6d376d33a:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^