Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d5b7c4292fe640112dab3591723e822b57718c2cdbdde6fae5765b05b70bf237:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^