Entity Framework Core
A lightweight, extensible, open-source, and cross-platform version of the Entity Framework data access technology.
744 questions
How to fix an error System.TypeLoadException: in an swagger api project ?
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Mathis De Sousa
0
Reputation points
System.TypeLoadException: Method 'get_LockReleaseBehavior' in type 'MySql.EntityFrameworkCore.Migrations.Internal.MySQLHistoryRepository' from assembly 'MySql.EntityFrameworkCore, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d' does not have an implementation.
{count} votes
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AgaveJoe 28,376 Reputation points2024-10-11T10:47:33.0066667+00:00 This is probably a version mismatch in your Nuget packages. Review the project file and make sure you are using the right versions for your project.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(259.20000000000005, 61%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPN%3C/text%3E%3C/svg%3E)
Ping Ni-MSFT 4,335 Reputation points Microsoft Vendor2024-10-14T07:22:47.8766667+00:00 Hi @Mathis De Sousa, it looks like the
MySql.EntityFrameworkCorelibrary you are using has a version mismatch or is incompatible with the version of Entity Framework Core (EF Core) you're working with. Please share your project file.
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