Dear all,
i am getting error while running a code based on step-44.
i am not able to understand the error output,
can anyone please help me out ?
thanks in advance.
............................
Exception on processing:
--------------------------------------------------------
An error occurred in line <953> of file
</home/iittp/fem9.1.1/dealii-9.1.1/include/deal.II/lac/vector.templates.h>
in function
void dealii::Vector<Number>::block_read(std::istream&) [with Number =
double; std::istream = std::basic_istream<char>]
The violated condition was:
in
Additional information:
An input/output error has occurred. There are a number of reasons why
this may be happening, both for reading and writing operations.
If this happens during an operation that tries to read data: First, you may
be trying to read from a file that doesn't exist or that is not readable
given its file permissions. Second, deal.II uses this error at times if it
tries to read information from a file but where the information in the file
does not correspond to the expected format. An example would be a truncated
file, or a mesh file that contains not only sections that describe the
vertices and cells, but also sections for additional data that deal.II does
not understand.
If this happens during an operation that tries to write data: you may be
trying to write to a file to which file or directory permissions do not
allow you to write. A typical example is where you specify an output file
in a directory that does not exist.
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