Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a90e42224e2b0ec7f6d7da06b4fcc79ccf2d40b6592b77b235c09846a602f3b3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^