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Tag: errors

104 posts · Page 5 of 11

2026-07-06 errors csharp csharp-14

Fix: CS9035 "Required member 'X' must be set in the object initializer" in C#

CS9035 means a member marked required was not assigned. Set it in the object initializer, or add a constructor annotated with [SetsRequiredMembers] that assigns every required member.

2026-07-06 errors flutter dart

Fix: Riverpod 3.0 throws ProviderException instead of the original error

Riverpod 3.0 wraps errors thrown while reading a provider in a ProviderException. Catch that type and read e.exception to get your original error back, or use AsyncValue.error which is unwrapped.

2026-07-05 errors flutter dart

Fix: Cannot provide both a color and a decoration in a Flutter Container

Move the color inside the decoration: use decoration: BoxDecoration(color: ...) instead of passing both color and decoration to the same Container.

2026-07-05 errors flutter dart

Fix: Incorrect use of ParentDataWidget. Expanded widgets must be placed inside Flex widgets (Flutter)

This error means an Expanded or Flexible is not a direct child of a Row, Column, or Flex. Move it directly under the flex widget, or drop Expanded if the parent is not a flex.

2026-07-05 errors flutter dart

Fix: A RenderViewport expected a child of type RenderSliver but received a child of type RenderBox (Flutter CustomScrollView)

The slivers list of a CustomScrollView only accepts slivers. Wrap box widgets in SliverToBoxAdapter, or swap ListView/Padding/Column for SliverList and SliverPadding.

2026-07-04 errors efcore dotnet

Fix: "The LINQ expression could not be translated" in EF Core 11

EF Core 11 throws this when a Where or OrderBy calls a method it cannot turn into SQL. Rewrite the predicate into translatable operators, or pull the data client-side with AsEnumerable first.

2026-07-04 errors efcore dotnet

Fix: "The required column 'X' was not present in the results of a 'FromSql' operation" in EF Core 11

EF Core throws this when your raw SQL does not return every column the entity maps to, or the column names do not match. Return all mapped columns with matching names, or query a scalar/keyless type instead.

2026-07-01 errors claude-code ai-agents

Fix: Claude Code High Memory Usage and Context Window Overflow

High memory usage and context overflow are two different problems in Claude Code. Raise the Node heap for RAM, use /context and /compact for the window, /heapdump to diagnose.

2026-06-30 errors mcp claude-code

Fix: Claude Code Drops MCP Tools After Auto-Compaction

After auto-compaction, Claude Code can leave your MCP server connected but with no tools. Run /mcp to reconnect; if tools stay gone, /clear or restart. Here is why and how to prevent it.

2026-06-26 errors csharp dotnet

Fix: FOREIGN KEY constraint failed when deleting an entity in EF Core 11

EF Core throws FOREIGN KEY constraint failed because the parent still has dependents the database refuses to orphan. Load the children, make the relationship optional, or configure OnDelete.