TUFLOW Message 2021

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TUFLOW Message
ERROR 2021 - Reading 2D BC data while allocating memory.

Alternate Message

Message Type

An error occurred reading 2D BC data whilst allocating memory requirements. This would usually mean that the format of the file being read is incorrect (for example, incorrect number or types of attributes in a 2d_bc layer), or the file has been corrupted. This message occurs when searching for 2D boundaries that utilise hidden 1D nodes such as a 2D QT BC.

Check the GIS attributes match those described in Table 4.33 2D Boundary Conditions (2d_bc) Attribute Descriptions of TUFLOW manual (Table reference for 2010 version), or in empty file: 2d_bc_empty.


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