Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ba6b23b5a8f5622544142db23e1568b0e68bd5ef83eca76f92a0a51db899b6be:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^