Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c693f88f2f5326ddbc40d7f4f25b1cb0ad3da7600c55913742b254f3118befd4:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^