Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4b66966f57e52b2384ab3793f9fafb30594ed37feb452931ea166caf1c4c42c3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^