Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 60d99b0aac95430fded591d8c6b64eb54b0bfc90b096728000923e6bd7b91846:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^