At a glance

The total lesson hours across all teachers does not fit within the configured range.

What causes this error

In configurations with flexible teacher assignment, the sum of all lesson hours must fall within a global min/max range. This error occurs when the total is either too low or too high to satisfy the range constraint.

How to fix it

Review the total number of lessons and their durations across all teachers. Add or remove lessons to bring the total within the valid range shown in the error.

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